Understanding Oracle Database Performance
Article by Jérôme Dubar
You can find numerous sources on Oracle Database Performance and Tuning on the internet and also a lot of books focusing on that. There is a lot of things to talk about, and you can spend days and days to learn how it works and what can be done. But it’s a hard work and when performance troubles occur, you need to be fast and effective. This is my approach to understand why an Oracle Database is not so performant and elaborate an action plan to improve performance.